SUMMARY The light table window does only display a title bar below a grey, empty window when called again in a digikam session. STEPS TO REPRODUCE 1. Start digikam 2. Select images and open light table: Window displays and works as expected 3. Close light table 4. Select same or other images and open light table again: Empty window OBSERVED RESULT Empty window with just a title bar, no menu or images displayed. Other parts of digikam seem to be still working. EXPECTED RESULT Light table window working as specified when used again in a digikam session. SOFTWARE/OS VERSIONS Linux/KDE Plasma: (available in About System) KDE Frameworks 5.50.0 Qt 5.11.1 (kompiliert gegen 5.11.1) KDE Plasma Version: kde-plasma/plasma-desktop (5.13.5-r3(5)@16.10.2018) KDE Frameworks Version: kde-frameworks/frameworkintegration (5.50.0(5/5.50)@10.10.2018 Qt Version: dev-qt/qtcore (5.11.1-r1(5/5.11)@16.10.2018 ADDITIONAL INFORMATION Digikam console output (separating line is just before 2nd opening of light table) digikam.general: Clearing LT true digikam.dimg: "/home/niess/Pictures/2012/2012-01-15 Sieg/DSC_9755.JPG" : JPEG file identified digikam.metaengine: DateTime => Exif.Photo.DateTimeOriginal => QDateTime(2012-01-15 10:03:53.000 CET Qt::TimeSpec(LocalTime)) digikam.dimg: "/home/niess/Pictures/2016/2016-02-20/DSC_9755-small.jpg" : JPEG file identified digikam.metaengine: Loading image history "" digikam.metaengine: DateTime => Exif.Photo.DateTimeOriginal => QDateTime(2016-02-20 11:31:15.000 CET Qt::TimeSpec(LocalTime)) digikam.dimg: "/home/niess/Pictures/2016/2016-02-20/DSC_9755-small.jpg" : JPEG file identified digikam.metaengine: Loading image history "" digikam.metaengine: DateTime => Exif.Photo.DateTimeOriginal => QDateTime(2016-02-20 11:31:15.000 CET Qt::TimeSpec(LocalTime)) digikam.metaengine: Exif color-space tag is sRGB. Using default sRGB ICC profile. digikam.metaengine: Exif color-space tag is sRGB. Using default sRGB ICC profile. digikam.metaengine: Orientation => Exif.Image.Orientation => 1 digikam.widgets: Profile white point : x= 0.312713 y= 0.32912 Y= 1 digikam.widgets: dkCmsReadICCMatrixRGB2XYZ(2): [ 0.435852 , 0.38533 , 0.143021 ] [ 0.222382 , 0.717041 , 0.0605927 ] [ 0.013916 , 0.0971375 , 0.713837 ] digikam.widgets: d->Primaries.Red : X= 0.461196 Y= 0.232948 Z= 0.00978772 digikam.widgets: d->Primaries.Green : X= 0.415454 Y= 0.719903 Z= 0.0802877 digikam.widgets: d->Primaries.Blue : X= 0.115485 Y= 0.0520762 Z= 0.536577 digikam.dimg: "/home/niess/Pictures/2012/2012-01-15 Sieg/DSC_9755.JPG" : JPEG file identified digikam.metaengine: DateTime => Exif.Photo.DateTimeOriginal => QDateTime(2012-01-15 10:03:53.000 CET Qt::TimeSpec(LocalTime)) digikam.metaengine: Exif color-space tag is sRGB. Using default sRGB ICC profile. digikam.metaengine: Orientation => Exif.Image.Orientation => 1 ----------------------------------------------------------------------- digikam.geoiface: ---- digikam.geoiface: ---- digikam.general: Clearing LT true qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 26279, resource id: 100663767, major code: 19 (DeleteProperty), minor code: 0 digikam.dimg: "/home/niess/Pictures/2012/2012-01-15 Sieg/DSC_9755.JPG" : JPEG file identified digikam.metaengine: DateTime => Exif.Photo.DateTimeOriginal => QDateTime(2012-01-15 10:03:53.000 CET Qt::TimeSpec(LocalTime)) digikam.widgets: Profile white point : x= 0.312713 y= 0.32912 Y= 1 digikam.widgets: dkCmsReadICCMatrixRGB2XYZ(2): [ 0.435852 , 0.38533 , 0.143021 ] [ 0.222382 , 0.717041 , 0.0605927 ] [ 0.013916 , 0.0971375 , 0.713837 ] digikam.widgets: d->Primaries.Red : X= 0.461196 Y= 0.232948 Z= 0.00978772 digikam.widgets: d->Primaries.Green : X= 0.415454 Y= 0.719903 Z= 0.0802877 digikam.widgets: d->Primaries.Blue : X= 0.115485 Y= 0.0520762 Z= 0.536577 digikam.geoiface: ---- digikam.geoiface: ---- digikam.general: Clearing LT true qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 32814, resource id: 100663767, major code: 19 (DeleteProperty), minor code: 0 digikam.dimg: "/home/niess/Pictures/2012/2012-01-15 Sieg/DSC_9755.JPG" : JPEG file identified digikam.metaengine: DateTime => Exif.Photo.DateTimeOriginal => QDateTime(2012-01-15 10:03:53.000 CET Qt::TimeSpec(LocalTime)) digikam.widgets: Profile white point : x= 0.312713 y= 0.32912 Y= 1 digikam.widgets: dkCmsReadICCMatrixRGB2XYZ(2): [ 0.435852 , 0.38533 , 0.143021 ] [ 0.222382 , 0.717041 , 0.0605927 ] [ 0.013916 , 0.0971375 , 0.713837 ] digikam.widgets: d->Primaries.Red : X= 0.461196 Y= 0.232948 Z= 0.00978772 digikam.widgets: d->Primaries.Green : X= 0.415454 Y= 0.719903 Z= 0.0802877 digikam.widgets: d->Primaries.Blue : X= 0.115485 Y= 0.0520762 Z= 0.536577 digikam.geoiface: ---- digikam.geoiface: ---- digikam.geoiface: ---- digikam.general: Cancel Main Thread digikam.general: Cancel Main Thread QThreadStorage: Thread 0x55e172a93800 exited after QThreadStorage 10 destroyed
*** This bug has been marked as a duplicate of bug 395875 ***
This is a Qt-5.11 bug. Many distributions patched Qt accordingly. However, we have also adjusted digiKam in addition. Maik
You can use the Linux AppImage bundle version instead your distro package. We use Qt 5.9 inside. Gilles Caulier
Fixed with #395875